there are 18 girls in Mr. Brimley's math class. if 40% of the students are girls, what s the best estimation for the number of boys in the class
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A white gelatinous precipitate is formed which is soluble in excess of sodium hydroxide.
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A white gelatinous precipitate is formed which is soluble in excess of sodium hydroxide.
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=> 18 Girls is 40% and 27 60% are Boys Answer: There are 45 students in this class.
(if 9 Girls = 20% so then 3 (60%) x 9 = 27 Boys)
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